Amur Hedgehog vs sei whale

Erinaceus amurensis compared with Balaenoptera borealis

Key Differences

• Amur Hedgehog is Least Concern while sei whale is Endangered.

Taxonomic Classification

Rank	Amur Hedgehog	sei whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Erinaceomorpha (Erinaceomorpha)	Cetacea (Whales & Dolphins)
Family	Erinaceidae	Balaenopteridae (Rorquals)
Genus	Erinaceus	Balaenoptera (Rorquals)
Species	Erinaceus amurensis	Balaenoptera borealis

Evolutionary Relationship

Amur Hedgehog and sei whale share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Amur Hedgehog

LC — Least Concern

sei whale

EN — Endangered

Physical Characteristics

Attribute	Amur Hedgehog	sei whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amur Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan.

sei whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Amur Hedgehog

The Amur Hedgehog (Erinaceus amurensis) is a species in the genus Erinaceus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.